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128 datasets

California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG)

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: ZIP, PDF

(Released on June 6, 2025) Version 1.5 of the California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG) is a major u...

Estimates of Natural and Unimpaired Flows for the Central Valley of California: WY 1922-2014

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: PDF

This report summarizes estimates of “natural” and “unimpaired” flows for all areas in the Central Valley tributary to the Sacramento – San Joaquin Del...

Vegetation - Great Valley Compilation [ds3231]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Geodatabase feature class containing a map tile of vegetation within the Great Valley Ecoregion. The vegetation tile combines these datasets: Great Va...

Vegetation - Great Valley Ecoregion [ds2632]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Geodatabase feature class containing a map of vegetation within the Great Valley Ecoregion produced by the Geographical Information Center (GIC) at CS...

Vegetation - Owens Valley and Jawbone [ds2874]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The U.S. Bureau of Land Management (BLM) contracted Aerial Information Systems, Inc. (AIS) to continue vegetation classification development and fine-...

Groundwater Basin Boundary Descriptions - Central Coast Region (3-XXX Basins)

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

SVSim: Sacramento Valley Groundwater-Surface Water Simulation Model

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: ZIP, PDF, CSV, XLSX, .ZIP

The Department of Water Resources (DWR) has developed a new model, the Sacramento Valley Groundwater-Surface Water Simulation Model (SVSim). This new ...

Quadrat Survey - Great Valley - 2016 - Terrestrial Species Stressor Monitoring [ds2830]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

A total of 36 visual encounter quadrat surveys were conducted at a subset of study sites in the Great Valley between April and July 2016. A time-const...

Estimated Subsidence in the San Joaquin Valley between 1949 – 2005

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: PDF

San Joaquin Valley Subsidence Analysis README. Written: Joel Dudas, 3/12/2017. Amended: Ben Brezing, 4/2/2019. DWR’s Division of Engineering Geodet...

Vegetation - California State Parks of the Central Coast [ds3193]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Geographical Information Center (GIC) was contracted by the California Department of Parks and Recreation (CDPR) to collect vegetation surveys to ...